871345613278217 has 16 divisors (see below), whose sum is σ = 1092040684314624. Its totient is φ = 675415787802000.

The previous prime is 871345613278193. The next prime is 871345613278267. The reversal of 871345613278217 is 712872316543178.

It is not a de Polignac number, because 871345613278217 - 2²⁶ = 871345546169353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871345613278267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29623484759 + ... + 29623514172.

It is an arithmetic number, because the mean of its divisors is an integer number (68252542769664).

Almost surely, 2^{871345613278217} is an apocalyptic number.

It is an amenable number.

871345613278217 is a deficient number, since it is larger than the sum of its proper divisors (220695071036407).

871345613278217 is a wasteful number, since it uses less digits than its factorization.

871345613278217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59246999140.

The product of its digits is 94832640, while the sum is 65.

The spelling of 871345613278217 in words is "eight hundred seventy-one trillion, three hundred forty-five billion, six hundred thirteen million, two hundred seventy-eight thousand, two hundred seventeen".